156978969820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{880223}}^1$

素因数の和:880510

約数の個数: 48

約数和(自身を含む): 339970675968

約数和(自身を除く): 182991706148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 241, 370, 482, 740, 964, 1205, 2410, 4820, 8917, 17834, 35668, 44585, 89170, 178340, 880223, 1760446, 3520892, 4401115, 8802230, 17604460, 32568251, 65136502, 130273004, 162841255, 212133743, 325682510, 424267486, 651365020, 848534972, 1060668715, 2121337430, 4242674860, 7848948491, 15697896982, 31395793964, 39244742455, 78489484910, 156978969820]

約数ペア:

[(1, 156978969820), (2, 78489484910), (4, 39244742455), (5, 31395793964), (10, 15697896982), (20, 7848948491), (37, 4242674860), (74, 2121337430), (148, 1060668715), (185, 848534972), (241, 651365020), (370, 424267486), (482, 325682510), (740, 212133743), (964, 162841255), (1205, 130273004), (2410, 65136502), (4820, 32568251), (8917, 17604460), (17834, 8802230), (35668, 4401115), (44585, 3520892), (89170, 1760446), (178340, 880223)]